CN206443254U - Mouth mask - Google Patents
Mouth mask Download PDFInfo
- Publication number
- CN206443254U CN206443254U CN201720085600.1U CN201720085600U CN206443254U CN 206443254 U CN206443254 U CN 206443254U CN 201720085600 U CN201720085600 U CN 201720085600U CN 206443254 U CN206443254 U CN 206443254U
- Authority
- CN
- China
- Prior art keywords
- mouth mask
- ear
- lanyard
- valve
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000033228 biological regulation Effects 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 210000001202 rhombencephalon Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model provides a kind of mouth mask.The mouth mask includes:Filtration body, the surface profile shape of filtration body is in arc surface shape;Seal cartridge, seal cartridge is connected on filtration body contour edge, and the bushing opening of receiving mouth and nose is provided with seal cartridge;Two mouth mask ear-hangs, each mask ear satchel includes lanyard, and the lanyard of two mouth mask ear-hangs respectively symmetrically is connected on two sides of filtration body.The problem of solving not causing to crack with human face gluing, sealing after mouth mask is worn in the prior art using the technical solution of the utility model, and solve the problem of wearing comfort of mouth mask in the prior art is poor.
Description
Technical field
The utility model is related to medical and hygiene article technical field, in particular it relates to a kind of mouth mask.
Background technology
In daily life, because the air that industrial development is brought changes so that people are when going out for breathing
Health and wear and muzzle so that play prevent human body suck dust granules pollutant purpose.But, existing mouth mask type
In, it is to be tensed by the pulling force of lanyard to reach sealing effectiveness because the filtration body of mouth mask is contacted with face, but be due to difference
People between have the fat or thin difference of face contour difference and face, the mouth mask of same model can not be with human body during wearing
Face fits well, causes appearance is larger to crack, and causes the dust-proof effect of mouth mask to decline, so as to be unable to reach user in pendant
Putting on can be removed contamination with regard to the purpose that can be had a breath of fresh air by the dedusting of mouth mask after mouth mask.In addition, existing mouth mask type
Need to increase the pulling force of lanyard to increase sealing, under strong pulling force effect, the contour edge of filtration body can strangle pressure face,
Having worn long can be very uncomfortable, reduces the wearing comfort of mouth mask.
Utility model content
The purpose of this utility model is to provide a kind of mouth mask, it is intended to which solving after mouth mask is worn in the prior art can not be with
The problem of human face gluing, sealing causes to crack, and solve mouth mask in the prior art wearing comfort difference ask
Topic.
In order to solve the above technical problems, the technical solution of the utility model is:A kind of mouth mask is provided, including:Filtration body,
The surface profile shape of filtration body is in arc surface shape;Seal cartridge, seal cartridge is connected on filtration body contour edge,
And the bushing opening of receiving mouth and nose is provided with seal cartridge;Two mouth mask ear-hangs, each mask ear satchel includes lanyard, two mask ears
The lanyard of extension respectively symmetrically is connected on two sides of filtration body.
Alternatively, seal cartridge includes the first liner layer and the second liner layer, the contour edge of the first liner layer and second
The contour edge sealing of liner layer is combined, and is provided with the middle part of the first bushing opening, the second liner layer and is opened in the middle part of the first liner layer
There is the second bushing opening.
Alternatively, the first liner layer and the second liner layer are made of airtight and flexible flexible material.
Alternatively, the opening size of the second bushing opening is more than the opening size of the first bushing opening.
Alternatively, mouth mask ear-hang also includes:Adjust lock tube, two terminations of lanyard each along regulation lock tube first end to
The direction at the second end passes through regulation lock tube, wherein, double wedge is provided with the inwall for adjusting lock tube, double wedge has spigot surface and locking
Face, locking surface is set gradually on first end to the direction at the second end with spigot surface along regulation lock tube, and spigot surface and locking
Face is crossed to form the spacing summit of the first end towards regulation lock tube;Spacing ring, lanyard passes through spacing ring, the profile chi of spacing ring
The very little through-hole diameter for being more than regulation lock tube.
Alternatively, mouth mask ear-hang also includes ear pillowcase, and lacking of being connected with the through hole of ear pillowcase is provided with the middle part of ear pillowcase
Mouthful, one of termination of lanyard is worn the first end to ear pillowcase from breach, and another termination of lanyard is worn to ear from breach rests the head on
Second end of set.
Alternatively, the quantity of double wedge is multiple, and multiple double wedges are circumferentially distributed on the inwall of regulation lock tube.
Alternatively, mouth mask also includes two quick connections for being used to quickly connect two terminations of the lanyard of mouth mask ear-hang
Piece, two quick-connect tabs are symmetricly set on the both sides of filtration body relative to the axis of filtration body.
Alternatively, the first opening and the second opening, the opening of the first opening and the second opening are offered on quick-connect tabs
In the opposite direction, two terminations of lanyard are separately positioned in the first opening and the second opening.
Alternatively, mouth mask also includes the breather valve for being used to turn on air-flow, and breather valve includes:First is provided with valve seat, valve seat
Valve port, valve seat is fixedly connected on filtration body and set towards mouth and nose;The second valve port, valve seat and valve casing are provided with valve casing, valve casing
Installation cavity is cooperatively formed, the first valve port is connected with the second valve port by installation cavity;In valve block, the installation cavity that valve block is installed, valve
Piece is oppositely arranged with the first valve port, and the contour edge of valve block is in contact with the profile inwall of the first valve port when closed;Valve block
Pressed component, the first end of valve block pressed component is connected to the medium position of valve block, and the second end of valve block pressed component is connected to
On the inwall of valve casing.
In the utility model, by setting up seal cartridge on the contour edge of filtration body, seal cartridge can be attached
On face, so as to be sealed to the gap between filtration body and face, make air fully through filtration body mistake
Just breathed after filter by user, reach that dedusting is removed contamination the purpose of clean air;Also, due to being led by seal cartridge to filtering
Gap between body and face is sealed, and user is without again by increasing the pulling force of lanyard so that the profile of filtration body
Edge fits face to ensure sealing, and user wears more comfortable.
Brief description of the drawings
Fig. 1 is the filtration body of the embodiment of mouth mask of the present utility model and the decomposition texture schematic diagram of seal cartridge;
Fig. 2 is the structural representation of the first liner layer of the embodiment of mouth mask of the present utility model;
Fig. 3 is the structural representation of the second liner layer of the embodiment of mouth mask of the present utility model;
Fig. 4 is the compound assembling structure schematic diagram of the seal cartridge of the embodiment of mouth mask of the present utility model;
Fig. 5 is the structural representation of the mouth mask ear-hang of the embodiment of mouth mask of the present utility model;
Fig. 6 is the structural representation of the regulation lock tube of the embodiment of mouth mask of the present utility model;
Fig. 7 is the main structure diagram of the regulation lock tube of the embodiment of mouth mask of the present utility model;
Fig. 8 is the cross section structure diagram of A-A in Fig. 7;
Fig. 9 is the structural representation of the ear pillowcase of the embodiment of mouth mask of the present utility model;
Figure 10 is the structural representation at the first visual angle of the quick-connect tabs of the embodiment of mouth mask of the present utility model;
Figure 11 is the structural representation at the second visual angle of the quick-connect tabs of the embodiment of mouth mask of the present utility model;
Figure 12 is the decomposition texture schematic diagram of the breather valve of the embodiment of mouth mask of the present utility model;
Figure 13 is the structural representation of the first wearing mode of the embodiment of mouth mask of the present utility model;
Figure 14 is the structural representation of second of wearing mode of the embodiment of mouth mask of the present utility model.
In the accompanying drawings:
10th, lanyard;20th, lock tube is adjusted;
21st, double wedge;211st, spigot surface;
212nd, locking surface;213rd, spacing summit;
30th, spacing ring;40th, ear pillowcase;
41st, breach;50th, quick-connect tabs;
51st, the first opening;52nd, the second opening;
60th, breather valve;61st, valve seat;
62nd, valve casing;63rd, valve block;
64th, valve block pressed component;611st, the first valve port;
621st, the second valve port;100th, filtration body;
110th, seal cartridge;111st, bushing opening;
112nd, the first liner layer;113rd, the second liner layer;
1111st, the first bushing opening;1112nd, the second bushing opening;
53rd, connection sheet solder joint.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is referred to as " being connected to " another element, it can be with
It is directly to another element or is indirectly connected on another element.
It should also be noted that, the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or
Using the normal operating condition of product as reference, and it should not be regarded as restrictive.
As shown in Fig. 1 to Fig. 3, Figure 13 and Figure 14, the mouth mask that the present embodiment is provided includes filtration body 100, seal cartridge
110 and two mouth mask ear-hangs, the surface profile shape of filtration body 100 is in arc surface shape, and seal cartridge 110 is connected to filtering
The bushing opening 111 of receiving mouth and nose is provided with the contour edge of main body 100, and on seal cartridge 110, each mask ear satchel includes lanyard
10, the lanyard 10 of two mouth mask ear-hangs respectively symmetrically is connected on two sides of filtration body 100.
By setting up seal cartridge 110 on the contour edge of filtration body 100 so that user is wearing the mouth mask
When, seal cartridge 110 can be attached on face, so as to enter traveling one to the gap between filtration body 100 and face
Step sealing, improves the sealing of mouth mask edge contour, air is just exhaled after fully being filtered through filtration body 100 by user
Inhale, reach that dedusting is removed contamination the purpose of clean air.Also, due to by seal cartridge 110 to filtration body 100 and face it
Between gap sealed, user without again by increase lanyard 10 pulling force so that filtration body 100 contour edge paste
Face is closed to ensure sealing, thus mouth mask will not cause the sensation that Le is ached to face, user wears more comfortable.
As shown in Figures 2 and 3, the seal cartridge 110 includes the first liner layer 112 and the second liner layer 113, the first bushing
The contour edge of layer 112 and the contour edge sealing of the second liner layer 113 are combined, and the middle part of the first liner layer 112 is provided with first
Bushing opening 1111, the middle part of the second liner layer 113 is provided with the second bushing opening 1112, also, the second bushing opening 1112
Opening size is more than the opening size of the first bushing opening 1111.
As shown in figure 4, during the seal cartridge 110 is fabricated, the He of the first liner layer 112 is first processed respectively
Second liner layer 113 (processes the first bushing opening 1111 in the first liner layer 112, processed in the second liner layer 113
Go out the second bushing opening 1112), then by the first liner layer 112 and the complex superposition of the second liner layer 113, and open the first bushing
Mouth 1111 is mutually aligned with the second bushing opening 1112, then leads the first liner layer 112 and the second liner layer 113 according to filtering
The shape cooperation of the contour edge of body 100 is fixed to be formed (utilizes ultrasonic wave or high frequency technique or attaching process will with reference to circle
Two-layered liner layer welded), further along this combine enclose unnecessary material cutting is fallen to be formed final seal cartridge 110 into
Product.Then, the seal cartridge 110 of finished product is connected on filtration body 100.Due to, seal cartridge 110 have four-side elastic and
Flexibility, is adaptively fitted so as to the face from the user of different shapes of face, good sealing is played to gap
Effect.Made using comfortable flexible material, so as to more improve the Consumer's Experience impression of user.
In the present embodiment, the first liner layer 112 and the second liner layer 113 use airtight and flexible flexibility
Material is made.Preferably, first liner layer 112 of the present embodiment uses PU coating cloth, or uses TPU coating cloth, certainly
The material of elasticity and sealed air-tight property can be met using other, do not limited herein;Second bushing of the present embodiment
Layer 113 can use PU coating cloth, either use TPU coatings cloth or silica gel, naturally it is also possible to use other meet it is elastic with
And the material of sealed air-tight property, do not limit herein.
As shown in Figures 5 to 9, mouth mask ear-hang also includes regulation lock tube 20, spacing ring 30, the equal edge in two terminations of lanyard 10
First end to the direction at the second end for regulation lock tube 20 passes through regulation lock tube 20, wherein, adjust and set on the inwall of lock tube 20
There is a double wedge 21, double wedge 21 has spigot surface 211 and a locking surface 212, locking surface 212 and spigot surface 211 are along regulation lock tube 20
Set gradually on first end to the direction at the second end, and spigot surface 211 is crossed to form towards regulation lock tube 20 with locking surface 212
The spacing summit 213 of first end, lanyard 10 passes through spacing ring 30, and the overall size of spacing ring 30 is more than the through hole of regulation lock tube 20
Diameter.By adjusting the slip locations on lanyard 10 of lock tube 20, so that the use length for adjusting lanyard 10 is worn with adjusting mouth mask
Elasticity.In the present embodiment, lanyard 10 through regulation lock tube 20 through hole after, lanyard 10 by double wedge 21 extruding,
Lanyard 10 (is now the use length to lanyard 10 in the square upward sliding of the first end along regulation lock tube 20 to the second end
It is adjusted elongated), lanyard 10 is under the locking position-limiting action on spacing summit 213, and the use length of lanyard 10 is not easy to be expanded
Greatly, thus ensure user during mouth mask is worn the stability of mouth mask and be not easily disconnected from face;Lanyard 10 is along tune
The second end to the direction of first end for saving lock tube 20 (is now that the use length of lanyard 10 is adjusted to shorten, i.e., when sliding
Increase the tightening force of lanyard), lanyard 10 is in the presence of spigot surface 211 so that regulation lock tube 20 can be easily along lanyard 10
Slide, so that convenient regulation.Because the overall size of spacing ring 30 is more than the through-hole diameter of regulation lock tube 20 so that regulation lock tube
20 can not depart from from the direction opposite with termination of lanyard 10.
In the present embodiment, the quantity of double wedge 21 is multiple, and circumferential be distributed on of multiple double wedges 21 adjusts the interior of lock tube 20
On wall.Preferably, as shown in Figure 6 to 8, the double wedge 21 in the present embodiment is 4 be circumferentially evenly arranged, certainly, double wedge
21 can also be symmetrically arranged 2, or 3,5 etc. be circumferentially evenly arranged.
With reference to shown in referring to Fig. 5, Fig. 9, Figure 13 and Figure 14, the mouth mask ear-hang of the present embodiment also includes ear pillowcase 40, ear pillow
The middle part of set 40 is provided with the breach 41 being connected with the through hole of ear pillowcase 40, one of termination of lanyard 10 from breach 41 wear to
The second end to ear pillowcase 40 is worn from breach 41 in the first end of ear pillowcase 40, another termination of lanyard 10.User is wearing
During the mouth mask, the first wearing mode or second of wearing mode can be used.The first wearing mode, respectively by two lanyards
10 on the auricle scraped, and lanyard 10 is now isolated into (i.e. ear pillowcase 40 pads up lanyard 10) with auricle using ear pillowcase 40,
Sense is ached to the Le of face so as to mitigate lanyard 10.Wearing mode in second, first lanyard 10 is fastened in second lanyard
(now first lanyard 10 of the regulation lock tube 20 pair on second lanyard 10 forms backstop, thus the first lanyard 10 will not on 10
Depart from from second lanyard 10), then lanyard 10 is worn around hindbrain, now adjusted ear pillowcase 40 in face
Position, so that lanyard 10 and face be kept apart, prevents lanyard 10 from strangling pain to face moulding and feeling.
In order to quickly be attached the termination of lanyard 10 with filtration body 100, therefore, mouth mask, which also includes two, to be used for soon
The quick-connect tabs 50 of two terminations of the lanyard 10 of speed connection mouth mask ear-hang, two quick-connect tabs 50 are relative to filtration body
100 axis is symmetricly set on the both sides of filtration body 100.Specifically, as shown in Figure 10 and Figure 11, on quick-connect tabs 50
Offer the first opening 51 and the second opening 52, the first opening 51 with second be open 52 opening direction on the contrary, lanyard 10 two
Individual termination is separately positioned in the first opening 51 and the second opening 52.So, need to be only formed by knots tied in the termination of lanyard 10 can
The first of quick-connect tabs 50 be open 51 or second opening 52 carry out the bulbs of backstops, the termination of lanyard 10 is then linked into the
One opening 51 or the second opening 52 so that the connected mode between filtration body 100 and lanyard 10 was not only easy but also quick.
In the present embodiment, as shown in figure 11, quick-connect tabs 50 are connected by connection sheet solder joint 53 with filtration body 100.
As shown in figure 12, the mouth mask also includes the breather valve 60 for being used to turn on air-flow, wherein, breather valve 60 includes valve seat
61st, the first valve port 611 is provided with valve casing 62, valve block 63 and valve block pressed component 64, valve seat 61, valve seat 61 is fixedly connected on filtering
Main body 100 and set towards mouth and nose, be provided with the second valve port 621 on valve casing 62, valve seat 61 and valve casing 62 cooperatively form installation cavity, the
One valve port 611 is connected with the second valve port 621 by installation cavity, in the installation cavity that valve block 63 is installed, the valve port of valve block 63 and first
611 are oppositely arranged, and profile inwall of the contour edge when closed with the first valve port 611 of valve block 63 is in contact, and valve block is compressed
The first end of component 64 is connected to the medium position of valve block 63, and the second end of valve block pressed component 64 is connected to the inwall of valve casing 62
On.In this way, when user is carried out in breathing process, the cup intracavitary relative atmospheric swaging of filtration body 100 is into negative pressure, and valve block 63 exists
On the contour edge that the first valve port 611 for being sealed in valve seat 61 is adjacent in the presence of atmospheric pressure, air can only be by filtration body 100
Cup chamber into filtration body 100 after filtering supplies user's air-breathing;When user is carried out in exhalation process, now filtering is led
Relative atmospheric swaging is into malleation in the cup chamber of body 100, and valve block 63 is open under positive pressure, and due to the breather valve 60
Installed in the position relative with the mouth and nose of user, then the air-flow that user breathes out has certain impulse force, and valve block 63 is in impulse force
Also more hold under impetus and open, so that the gas that user is breathed out discharges rapidly the cup chamber of filtration body 100 so that air
Flowing is more smooth.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of mouth mask, it is characterised in that including:
Filtration body (100), the surface profile shape of the filtration body (100) is in arc surface shape;
Seal cartridge (110), the seal cartridge (110) is connected on the filtration body (100) contour edge, and described close
The bushing opening (111) of receiving mouth and nose is provided with envelope bushing (110);
Two mouth mask ear-hangs, each mask ear satchel includes lanyard (10), and the lanyard (10) of two mouth mask ear-hangs is right respectively
It is connected on two sides of the filtration body (100) with claiming.
2. mouth mask as claimed in claim 1, it is characterised in that the seal cartridge (110) include the first liner layer (112) and
Second liner layer (113), the contour edge of first liner layer (112) and the contour edge of second liner layer (113)
Sealing is combined, and the first bushing opening (1111), second liner layer (113) are provided with the middle part of first liner layer (112)
Middle part be provided with the second bushing opening (1112).
3. mouth mask as claimed in claim 2, it is characterised in that first liner layer (112) and second liner layer
(113) it is made of airtight and flexible flexible material.
4. mouth mask as claimed in claim 2, it is characterised in that the opening size of the second bushing opening (1112) is more than institute
State the opening size of the first bushing opening (1111).
5. the mouth mask as any one of Claims 1-4, it is characterised in that the mouth mask ear-hang also includes:
Lock tube (20) is adjusted, two terminations of the lanyard (10) are each along the first end for adjusting lock tube (20) to the second end
Direction through it is described regulation lock tube (20), wherein, it is described regulation lock tube (20) inwall on be provided with double wedge (21), it is described convex
Tooth (21) has spigot surface (211) and locking surface (212), and the locking surface (212) is adjusted with the spigot surface (211) along described
Set gradually on first end to the direction at the second end of section lock tube (20), and the spigot surface (211) and the locking surface (212)
It is crossed to form the spacing summit (213) of the first end towards the regulation lock tube (20);
Spacing ring (30), the lanyard (10) passes through the spacing ring (30), and the overall size of the spacing ring (30) is more than institute
State the through-hole diameter of regulation lock tube (20).
6. mouth mask ear-hang as claimed in claim 5, it is characterised in that the mouth mask ear-hang also includes ear pillowcase (40), described
The breach (41) being connected with the through hole of the ear pillowcase (40) is provided with the middle part of ear pillowcase (40), the lanyard (10) is wherein
One termination is worn the first end to the ear pillowcase (40) from the breach (41), and another termination of the lanyard (10) is by institute
State breach (41) and wear the second end to the ear pillowcase (40).
7. mouth mask ear-hang as claimed in claim 5, it is characterised in that the quantity of the double wedge (21) is multiple, and multiple institutes
Double wedge (21) is stated circumferentially to be distributed on the inwall of the regulation lock tube (20).
8. mouth mask as claimed in claim 5, it is characterised in that the mouth mask, which also includes two, to be used to quickly connect the mouth mask
The quick-connect tabs (50) of two terminations of the lanyard (10) of ear-hang, two quick-connect tabs (50) are relative to the filtering
The axis of main body (100) is symmetricly set on the both sides of the filtration body (100).
9. mouth mask as claimed in claim 8, it is characterised in that offer the first opening (51) on the quick-connect tabs (50)
With the second opening (52), the opening direction of first opening (51) and the described second opening (52) is on the contrary, the lanyard (10)
Two terminations be separately positioned on first opening (51) and second opening (52) is interior.
10. mouth mask as claimed in claim 5, it is characterised in that the mouth mask also includes the breather valve for being used to turn on air-flow
(60), the breather valve (60) includes:
The first valve port (611) is provided with valve seat (61), the valve seat (61), the valve seat (61) is fixedly connected on the filtering master
Body (100) and towards mouth and nose set;
The second valve port (621) is provided with valve casing (62), the valve casing (62), the valve seat (61) and valve casing (62) cooperatively form peace
It behave affectedly, first valve port (611) is connected with second valve port (621) by the installation cavity;
In valve block (63), the installation cavity that the valve block (63) is installed, the valve block (63) and the first valve port (611) phase
To setting, and profile inwall of the contour edge when closed with first valve port (611) of the valve block (63) is in contact;
Valve block pressed component (64), the first end of the valve block pressed component (64) is connected to the middle position of the valve block (63)
Put, the second end of the valve block pressed component (64) is connected on the inwall of the valve casing (62).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720085600.1U CN206443254U (en) | 2017-01-22 | 2017-01-22 | Mouth mask |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720085600.1U CN206443254U (en) | 2017-01-22 | 2017-01-22 | Mouth mask |
Publications (1)
Publication Number | Publication Date |
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CN206443254U true CN206443254U (en) | 2017-08-29 |
Family
ID=59667233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720085600.1U Expired - Fee Related CN206443254U (en) | 2017-01-22 | 2017-01-22 | Mouth mask |
Country Status (1)
Country | Link |
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CN (1) | CN206443254U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111713782A (en) * | 2020-07-01 | 2020-09-29 | 欧意控股有限公司 | A adjusting device and gauze mask for gauze mask ear wire |
-
2017
- 2017-01-22 CN CN201720085600.1U patent/CN206443254U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111713782A (en) * | 2020-07-01 | 2020-09-29 | 欧意控股有限公司 | A adjusting device and gauze mask for gauze mask ear wire |
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Granted publication date: 20170829 |